Update: Surrey Police issued a statement after 10pm on Friday (April 19) saying David Richardson had been found safe and well walking by the side of the A25 near Dorking.

Police thanked the 1,900 people who shared their appeal on Facebook and volunteers from Surrey Search and Rescue who provided a helicopter and boats to look for the missing boy.

The search is on to find a 12-year-old boy who went missing from Box Hill on Good Friday (April 19).

Surrey Police has launched an appeal to find David Richardson from Walton, who was with his father when he went missing.

The force said on Friday: "We are appealing for help in finding a missing 12-year-old boy from Walton-on-Thames, who has been missing since this afternoon (19 April), when he was with his father at Box Hill.

"David Richardson was reported missing after he wandered off from his father whilst at Box Hill, at approximately 3.15pm.

"It is believed that David may have wandered into Dorking, but it is believed he was also seen at West Humble train station by a member of the public."